class_docstr: A bare-bones producer.
code: def work(self, context: int) -> int:
      # Add code here to perform work. Note that this method can be called in
      # multiple threads because of the use of Courier futures, and so it has to
      # be thread safe! In this example the producer is stateless, so thread
      # safety is not a concern.
      return context
  
file_path: launchpad/launchpad/examples/consumer_producers/program.py
imports: from typing import List
  from absl import logging
  import launchpad
label_desc: Use image node_id 1 for calling the Producer obj's underlying member method code with example usage: obj.work(context) and returns: context